<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <meta http-equiv="X-UA-Compatible" content="ie=edge">
 <title>Document</title>
</head>
<body>
 <div id="app">
 <h1>{{msg}}</h1>
 <ul>
     <li
     v-for="(item, index) in arr" :key="index"
     >
    {{item}}
    </li>
 </ul>
 </div>
 <script src="./vue.js"></script>
 <script>
 var vm = new Vue({
 el:'#app',
 data:{
msg:'vue',
arr:['vue','react','node']
 },
 methods:{
 }
 });
 </script>
</body>
</html>
